diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/asm-mips/mach-generic/ide.h | 31 | ||||
| -rw-r--r-- | include/media/v4l2-dev.h | 5 |
2 files changed, 34 insertions, 2 deletions
diff --git a/include/asm-mips/mach-generic/ide.h b/include/asm-mips/mach-generic/ide.h index 2b928577be5..a77128362a7 100644 --- a/include/asm-mips/mach-generic/ide.h +++ b/include/asm-mips/mach-generic/ide.h @@ -29,6 +29,35 @@ #define IDE_ARCH_OBSOLETE_DEFAULTS +static __inline__ int ide_probe_legacy(void) +{ +#ifdef CONFIG_PCI + struct pci_dev *dev; + /* + * This can be called on the ide_setup() path, super-early in + * boot. But the down_read() will enable local interrupts, + * which can cause some machines to crash. So here we detect + * and flag that situation and bail out early. + */ + if (no_pci_devices()) + return 0; + dev = pci_get_class(PCI_CLASS_BRIDGE_EISA << 8, NULL); + if (dev) + goto found; + dev = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, NULL); + if (dev) + goto found; + return 0; +found: + pci_dev_put(dev); + return 1; +#elif defined(CONFIG_EISA) || defined(CONFIG_ISA) + return 1; +#else + return 0; +#endif +} + static __inline__ int ide_default_irq(unsigned long base) { switch (base) { @@ -45,6 +74,8 @@ static __inline__ int ide_default_irq(unsigned long base) static __inline__ unsigned long ide_default_io_base(int index) { + if (!ide_probe_legacy()) + return 0; /* * If PCI is present then it is not safe to poke around * the other legacy IDE ports. Only 0x1f0 and 0x170 are diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index d62847f846c..17f8f3a2f0a 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -337,6 +337,9 @@ void *priv; struct class_device class_dev; /* sysfs */ }; +/* Class-dev to video-device */ +#define to_video_device(cd) container_of(cd, struct video_device, class_dev) + /* Version 2 functions */ extern int video_register_device(struct video_device *vfd, int type, int nr); void video_unregister_device(struct video_device *); @@ -354,11 +357,9 @@ extern int video_usercopy(struct inode *inode, struct file *file, int (*func)(struct inode *inode, struct file *file, unsigned int cmd, void *arg)); - #ifdef CONFIG_VIDEO_V4L1_COMPAT #include <linux/mm.h> -#define to_video_device(cd) container_of(cd, struct video_device, class_dev) static inline int __must_check video_device_create_file(struct video_device *vfd, struct class_device_attribute *attr) |